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ESXi 4.1 Westmere EVC not working with Ivy Bridge CPU

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Hi All,

 

I'm running 4.1U3. I have a cluster that has 8 hosts in it. 6 of them are E7-2860 CPUs. Two of them are E5-2680v2 CPUs (new). vCenter will allow me to enable EVC. However after enabled and I power a few VMs on on one of the new hosts it tells me "The cluster cannot be configured with the selected Enhanced vMotion Compatibility mode; CPU features disabled by that mode may currently be in use by powered-on or suspended virtual machines in the cluster."

 

Also, when I try and migrate any of those VMs from the new hosts to one of the E7-2860 hosts it won't pass validation saying "Host CPU is incompatible with the virtual machine's requirements at CPUID leval 0x1 register 'ecx'.

 

The only thing I can think of is the E5-2680v2 isnt supported on 4.1 and therefore EVC is not working properly. Any thoughts on this?

 

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